JPS5419623A - Digital input circuit - Google Patents

Digital input circuit

Info

Publication number
JPS5419623A
JPS5419623A JP8469577A JP8469577A JPS5419623A JP S5419623 A JPS5419623 A JP S5419623A JP 8469577 A JP8469577 A JP 8469577A JP 8469577 A JP8469577 A JP 8469577A JP S5419623 A JPS5419623 A JP S5419623A
Authority
JP
Japan
Prior art keywords
input circuit
digital input
noise
provision
input terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8469577A
Other languages
Japanese (ja)
Inventor
Takeshi Takemura
Saburo Goto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP8469577A priority Critical patent/JPS5419623A/en
Publication of JPS5419623A publication Critical patent/JPS5419623A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/003—Modifications for increasing the reliability for protection

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Logic Circuits (AREA)

Abstract

PURPOSE:To obtain stable output by eliminating malfunctions due to the peak value of noise, through the provision of the interface circuit having saturated output characteristics and the filter rejecting noise component between the logic circuit processing signals and the input terminal.
JP8469577A 1977-07-15 1977-07-15 Digital input circuit Pending JPS5419623A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8469577A JPS5419623A (en) 1977-07-15 1977-07-15 Digital input circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8469577A JPS5419623A (en) 1977-07-15 1977-07-15 Digital input circuit

Publications (1)

Publication Number Publication Date
JPS5419623A true JPS5419623A (en) 1979-02-14

Family

ID=13837793

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8469577A Pending JPS5419623A (en) 1977-07-15 1977-07-15 Digital input circuit

Country Status (1)

Country Link
JP (1) JPS5419623A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5851622A (en) * 1981-09-24 1983-03-26 Hitachi Ltd Digital semiconductor integrated circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567966A (en) * 1968-04-10 1971-03-02 Combustion Eng Transient suppression circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567966A (en) * 1968-04-10 1971-03-02 Combustion Eng Transient suppression circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5851622A (en) * 1981-09-24 1983-03-26 Hitachi Ltd Digital semiconductor integrated circuit

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